JPS51105255A - - Google Patents
Info
- Publication number
- JPS51105255A JPS51105255A JP50030756A JP3075675A JPS51105255A JP S51105255 A JPS51105255 A JP S51105255A JP 50030756 A JP50030756 A JP 50030756A JP 3075675 A JP3075675 A JP 3075675A JP S51105255 A JPS51105255 A JP S51105255A
- Authority
- JP
- Japan
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
- H03B5/30—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator
- H03B5/32—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator
- H03B5/323—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator the resonator having more than two terminals
Landscapes
- Oscillators With Electromechanical Resonators (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP50030756A JPS5948561B2 (ja) | 1975-03-13 | 1975-03-13 | 圧電音叉発振回路 |
| DE2610407A DE2610407C3 (de) | 1975-03-13 | 1976-03-12 | Schwingschaltung |
| US05/666,268 US4028640A (en) | 1975-03-13 | 1976-03-12 | Piezo-electric tuning fork oscillation circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP50030756A JPS5948561B2 (ja) | 1975-03-13 | 1975-03-13 | 圧電音叉発振回路 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS51105255A true JPS51105255A (fi) | 1976-09-17 |
| JPS5948561B2 JPS5948561B2 (ja) | 1984-11-27 |
Family
ID=12312518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP50030756A Expired JPS5948561B2 (ja) | 1975-03-13 | 1975-03-13 | 圧電音叉発振回路 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US4028640A (fi) |
| JP (1) | JPS5948561B2 (fi) |
| DE (1) | DE2610407C3 (fi) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20200327878A1 (en) * | 2019-04-10 | 2020-10-15 | Haoze GAO | Method, apparatus, and systems for fire suppression using sound waves |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4877742A (fi) * | 1972-01-18 | 1973-10-19 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5015543B1 (fi) * | 1970-06-03 | 1975-06-05 | ||
| US3946257A (en) * | 1973-09-17 | 1976-03-23 | Kabushiki Kaisha Daini Seikosha | Quartz crystal vibrator with partial electrodes for harmonic suppression |
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1975
- 1975-03-13 JP JP50030756A patent/JPS5948561B2/ja not_active Expired
-
1976
- 1976-03-12 DE DE2610407A patent/DE2610407C3/de not_active Expired
- 1976-03-12 US US05/666,268 patent/US4028640A/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4877742A (fi) * | 1972-01-18 | 1973-10-19 |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2610407A1 (de) | 1976-09-30 |
| DE2610407C3 (de) | 1980-05-22 |
| US4028640A (en) | 1977-06-07 |
| DE2610407B2 (de) | 1979-09-06 |
| JPS5948561B2 (ja) | 1984-11-27 |